85223192 has 16 divisors (see below), whose sum is σ = 160854000. Its totient is φ = 42328800.

The previous prime is 85223191. The next prime is 85223197. The reversal of 85223192 is 29132258.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85223191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34067 + ... + 36482.

It is an arithmetic number, because the mean of its divisors is an integer number (10053375).

Almost surely, 2^85223192 is an apocalyptic number.

It is an amenable number.

85223192 is a deficient number, since it is larger than the sum of its proper divisors (75630808).

85223192 is a wasteful number, since it uses less digits than its factorization.

85223192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70706 (or 70702 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 85223192 is about 9231.6408075705. The cubic root of 85223192 is about 440.0674689927.

The spelling of 85223192 in words is "eighty-five million, two hundred twenty-three thousand, one hundred ninety-two".